void onHeader()

in src/main/java/com/twitter/whiskey/net/SpdyStream.java [253:320]
56 lines of code
15 McCabe index (conditional complexity)

    void onHeader(Header header) throws IOException {

        if (INVALID_HEADERS.contains(header.getKey())) {
            //throw new SpdyProtocolException("invalid header for SPDY response: " + header.getKey());
            return;
        }

        switch(header.getKey()) {

            case ":status":
                Integer status;
                try {
                    status = Integer.valueOf(header.getValue().substring(0, 3));
                } catch (NumberFormatException e) {
                    throw new IOException("invalid HTTP response: " + header.getValue());
                }
                onStatus(status);
                // Don't include SPDY protocol headers in response headers
                return;

            case ":version":
                // Don't include SPDY protocol headers in response headers
                return;

            case Headers.LOCATION:
                try {
                    Request currentRequest = operation.getCurrentRequest();
                    redirectURL = new URL(currentRequest.getUrl(), header.getValue());
                } catch (MalformedURLException e) {
                    throw new IOException(
                        "malformed URL received for redirect: " + header.getValue(), e);
                }
                break;

            case Headers.CONTENT_ENCODING:
                String value = header.getValue();
                if (value.equalsIgnoreCase("gzip")) {
                    compressed = true;
                    inflater = new ZlibInflater(ZlibInflater.Wrapper.GZIP);
                } else if (value.equalsIgnoreCase("zlib")) {
                    compressed = true;
                    inflater = new ZlibInflater(ZlibInflater.Wrapper.ZLIB);
                } else if (value.equalsIgnoreCase("deflate")) {
                    compressed = true;
                    inflater = new ZlibInflater(ZlibInflater.Wrapper.UNKNOWN);
                } else {
                    break;
                }

                if (expectedContentLength > 0) {
                    int approximateLength = estimateContentLength(expectedContentLength);
                    operation.getBodyFuture().setExpectedLength(approximateLength);
                }
                return;

            case Headers.CONTENT_LENGTH:
                expectedContentLength = header.getIntegerValue();
                if (expectedContentLength <= 0) break;
                if (compressed) {
                    operation.getBodyFuture().setExpectedLength(estimateContentLength(expectedContentLength));
                } else {
                    operation.getBodyFuture().setExpectedLength(expectedContentLength);
                }
                break;
        }

        operation.getHeadersFuture().provide(header);
    }